pnx8510 NXP Semiconductors, pnx8510 Datasheet - Page 15

• Manufacturer Part Number: pnx8510
• Description: Analog Companion Chip
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 12612
Product data
programmable. An internal header following the ANC contains a programmable sliced
data identifier with the number of data bytes transmitted and two internal identification
tokens containing data type, field type and line number.
data is encoded in the horizontal blanking interval.
Remark: In standard definition mode, only 8 of the 10 available signal lines of the D1
interface are used. The two LSB lines are fixed to zero.
Table 11:
Table 12:
LN = Line Number, BC = Byte Count, DT = Data Type
Table 13:
Name
SAV
DID
SDID
BC
IDI1
IDI2
D1-Ddc
EAV
Code
SDID
DID
BC
IDI1
IDI2
Line Number
1-3
4-19
20-263
Fig 12. ANC VBI data insertion in D1
FF
end active video
timing reference
See
00
code
Table 11
D9
1
1
-
-
-
00 EAV FF
VBI header/data codes
VBI data header format
SAV/EAV codes NTSC
Function
start of active video
data identifier: ignored, has to be set to 0x11h
sliced data identification: ignored, has to be set to 0x11h
byte count describes the number of succeeding decoded data bytes
internal data identification 1: OP, FID, LineNumber[8:3]
internal data identification 2: OP, LineNumber[2:0], Data Type
data bytes
end of active video
to
F
1
0
0
Rev. 04 – 12 January 2004
Table
D8
1
1
-
field ID
0=field 1
1=field 2
LN2
ANC header
FF
16for code description
00
DID SDID BC IDI1 IDI2 D1
D7
1
1
BC5
LN8
LN1
horizontal line blanking interval
internal header
V
1
1
0
D6
1
1
BC4
LN7
LN0
D5
1
1
BC3
LN6
DT3
D2
sliced data
H (EAV)
1
1
1
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Figure 12
D4
1
1
BC2
LN5
DT2
DDC1 DDC
PNX8510/11
Analog companion chip
illustrates how the
D3
1
1
BC1
LN4
DT1
H (SAV)
0
0
0
FF
start active video
timing reference
00
code
D2
1
1
BC0
LN3
DT0
00 SAV
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